package com.yxw.pojo;

import lombok.Data;

import javax.validation.constraints.Min;
import javax.validation.constraints.Size;
import java.util.Date;
@Data
public class Book {

        private long id;
        private String book_title;
        private String book_author;
        private String book_summary;
        private Integer type_id;
        private Integer download_times;
        private Date book_pubYear;
        private String book_file;
        private String book_cover;
        private String book_format;


}
